First off, great instructable! Second off,I know for all purposes and means the 555 timer with all the other components should be used. However, I have been able to accomplish this before without anything but some resistors and a couple potentiometers. So I guess my true question is, what is the point of using the circuits if you can simply use 2 different pots? I have some projects coming up and I am deciding if I should use more than just some pots or not.

That is an excellent question, one we debated before deciding to use wooden studs. When it comes to metal studs, they would have been a lot lighter and a little bit stronger as well. However, we wanted to go with the wooden studs for mutiple reasons. Wooden studs cost a fraction of the price that metal studs would have cost, we also wanted to teach the youth framing a house with wooden studs, as they are more commonly used and more traditional. For someone building their own tiny house, they can use metal studs if they prefer and in some cases they would have more benefits than wooden studs would have.

Great comment! You have some great points and I will leave them up to you and how well you elaborated them. You brought up some excellent factors, many of which we considered in our build. We felt the best course of action was the one we went with and we are still proud of our outcomes.

Thank you! I encourge you to build your own tiny house. It's been a great learning experience for the youth and eveyrone seems to have as much fun doing it as I am.

You have a great point! In fact, we had considered using this kind of insulation but opted for what our local supplier carried. We used an insulation similar to it from what I understand.

That is true, at least for most states in the USA. As long as it's on a trailer it is considered temporary and there is little to no restrictions or regulations. However, I would recommend checking with your local laws first to be sure.